Can you please share working of LED ?

Question Posted / pawan kumar

3 Answers
5387 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Can you please share working of LED ?..

Answer / pooja

LED is a semiconductor device.LED's are used as indicating lamps in many devices.When LED is forward biased electrons are able to recombine with electron holes with in the device releasing energy in the form of Photons & this is known as Electroluminescene & colour of LED is determined by Energy gap of the Semiconductor.

Is This Answer Correct ?

9 Yes

0 No

Can you please share working of LED ?..

Answer / pinkal_ec

LED's are special diodes that emit light when connected in a circuit. They are frequently used as "pilot"
lights in electronic appliances to indicate whether the circuit is closed or not. A a clear (or often colored)
epoxy case enclosed the heart of an LED, the semi-conductor chip.

Is This Answer Correct ?

9 Yes

1 No

Can you please share working of LED ?..

Answer / learn basic electronics

Led mean Light Emitting Diode .
Led lighting when connected with measured voltage.
It's using on indicators electronics torch light.
it is using for signal on television and many other devices.
You can learn many thing about electronics on our site visit
http://learnelectronicshelp.blogspot.com/

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electronics Communications Interview Questions

What is meant by saying at what current is transistor biased?

0 Answers

Define what is a step-recovery diode and why is it so called ?

0 Answers

define loop gain?

2 Answers

What is 1:1 mixture in manganese ferrites?

0 Answers C DAC, CDAC,

Define latching current?

0 Answers

interface 8085 microprocessor with 4K RAM, 256 bytes RAM, 2K RAM and 6K ROM using decoders and gates?

0 Answers

what is ccd

2 Answers

i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. NAZEEHA E.MAIL ID:- km.nazi.km@gmail.com

0 Answers AAI Airports Authority Of India,

Hi...........i want to know the pattern for written test for the post of Jr.Executive(Electronics) in AAI(Airports Authority Of India).Kindly send me the same.My email id Is zeenaz.786@gmail.com.

0 Answers AAI Airports Authority Of India,

Why vestigial side band is used in tv signal transmission?

0 Answers

What is step down cyclo-converter?

0 Answers

why we use clamping on transformer

1 Answers

For more Electronics Communications Interview Questions Click Here